/* GSocket_SetLocal:
* GSocket_GetLocal:
* GSocket_SetPeer:
* GSocket_GetPeer:
* Set or get the local or peer address for this socket. The 'set'
* functions return GSOCK_NOERROR on success, an error code otherwise.
* The 'get' functions return a pointer to a GAddress object on success,
* or NULL otherwise, in which case they set the error code of the
* corresponding GSocket.
*
* Error codes:
* GSOCK_INVSOCK - the socket is not valid.
* GSOCK_INVADDR - the address is not valid.
*/
GSocketError GSocket::SetLocal(GAddress *address)
{
assert(this);
/* the socket must be initialized, or it must be a server */
if ((m_fd != INVALID_SOCKET && !m_server))
{
m_error = GSOCK_INVSOCK;
return GSOCK_INVSOCK;
}
/* check address */
if (address == NULL || address->m_family == GSOCK_NOFAMILY)
{
m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
if (m_local)
GAddress_destroy(m_local);
m_local = GAddress_copy(address);
return GSOCK_NOERROR;
}
/* GSocket_SetLocal:
* GSocket_GetLocal:
* GSocket_SetPeer:
* GSocket_GetPeer:
* Set or get the local or peer address for this socket. The 'set'
* functions return GSOCK_NOERROR on success, an error code otherwise.
* The 'get' functions return a pointer to a GAddress object on success,
* or NULL otherwise, in which case they set the error code of the
* corresponding GSocket.
*
* Error codes:
* GSOCK_INVSOCK - the socket is not valid.
* GSOCK_INVADDR - the address is not valid.
*/
GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address)
{
assert(socket != NULL);
/* the socket must be initialized, or it must be a server */
if ((socket->m_endpoint != kOTInvalidEndpointRef && !socket->m_server))
{
socket->m_error = GSOCK_INVSOCK;
return GSOCK_INVSOCK;
}
/* check address */
if (address == NULL || address->m_family == GSOCK_NOFAMILY)
{
socket->m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
if (socket->m_local)
GAddress_destroy(socket->m_local);
socket->m_local = GAddress_copy(address);
return GSOCK_NOERROR;
}
GAddress *GSocket::GetPeer()
{
assert(this);
/* try to get it from the m_peer var */
if (m_peer)
return GAddress_copy(m_peer);
return NULL;
}
GAddress *GSocket_GetPeer(GSocket *socket)
{
assert(socket != NULL);
/* try to get it from the m_peer var */
if (socket->m_peer)
return GAddress_copy(socket->m_peer);
return NULL;
}
GAddress *GSocket_GetLocal(GSocket *socket)
{
GAddress *address = NULL ;
GSocketError err;
InetAddress loc ;
assert(socket != NULL);
/* try to get it from the m_local var first */
if (socket->m_local)
return GAddress_copy(socket->m_local);
/* else, if the socket is initialized, try getsockname */
if (socket->m_endpoint == kOTInvalidEndpointRef)
{
socket->m_error = GSOCK_INVSOCK;
return NULL;
}
/* we do not support multihoming with this code at the moment
OTGetProtAddress will have to be used then - but we don't have a handy
method to use right now
*/
{
InetInterfaceInfo info;
OTInetGetInterfaceInfo(&info, kDefaultInetInterface);
loc.fHost = info.fAddress ;
loc.fPort = 0 ;
loc.fAddressType = AF_INET ;
}
/* got a valid address from getsockname, create a GAddress object */
address = GAddress_new();
if (address == NULL)
{
socket->m_error = GSOCK_MEMERR;
return NULL;
}
err = _GAddress_translate_from(address, &loc);
if (err != GSOCK_NOERROR)
{
GAddress_destroy(address);
socket->m_error = err;
return NULL;
}
return address;
}
GSocketError GSocket::SetPeer(GAddress *address)
{
assert(this);
/* check address */
if (address == NULL || address->m_family == GSOCK_NOFAMILY)
{
m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
if (m_peer)
GAddress_destroy(m_peer);
m_peer = GAddress_copy(address);
return GSOCK_NOERROR;
}
GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address)
{
assert(socket != NULL);
/* check address */
if (address == NULL || address->m_family == GSOCK_NOFAMILY)
{
socket->m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
if (socket->m_peer)
GAddress_destroy(socket->m_peer);
socket->m_peer = GAddress_copy(address);
return GSOCK_NOERROR;
}
GAddress *GSocket::GetLocal()
{
GAddress *address;
struct sockaddr addr;
SOCKLEN_T size = sizeof(addr);
GSocketError err;
assert(this);
/* try to get it from the m_local var first */
if (m_local)
return GAddress_copy(m_local);
/* else, if the socket is initialized, try getsockname */
if (m_fd == INVALID_SOCKET)
{
m_error = GSOCK_INVSOCK;
return NULL;
}
if (getsockname(m_fd, &addr, (SOCKLEN_T *) &size) < 0)
{
m_error = GSOCK_IOERR;
return NULL;
}
/* got a valid address from getsockname, create a GAddress object */
address = GAddress_new();
if (address == NULL)
{
m_error = GSOCK_MEMERR;
return NULL;
}
err = _GAddress_translate_from(address, &addr, size);
if (err != GSOCK_NOERROR)
{
GAddress_destroy(address);
m_error = err;
return NULL;
}
return address;
}
